When prompted, iPhone in DFU again and your done; jailbreak process was completed & Phone need to be reboot again.

Now geeksn0w 2.9 jailbreak posses completed Now you can use Cydia.

Then you can jailbreak your iPhone 4 running apple iOS 7.1, tethered jailbrok using GeekSn0w 2.9. and connect with Cydia.

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